Despite a number of recent high-profile solar company failures, like Solyndra and Evergreen Solar, renewable energy investment remains popular. So popular, in fact, that global clean energy investment has now exceeded $1 trillion. Such a large influx of cash not only emphasizes the import of advancing these technologies, but also the expected profitability of green tech companies.

Solar continues to be a very popular investment area, though not necessarily in actual energy collection devices (i.e. solar cells). Power storage is key to making clean energy generation financially viable. Evolving clean generation methods include new, low-radiation nuclear technologies, the efficient harnessing of geothermal energy, and advanced wave-power generation capabilities.

Significant investment will continue to be required for the successful development of green technologies. Eventually, it will not be a choice if energy costs continue to rise. Focused, intelligent marketing and communications strategies will be required to launch these new advancements for the betterment of all.